UMG70XV3-4EN 12.01.2009 199
A Technical Data
Lamb Wave Transducers (without Explosion Protection and with Connection System AS)
technical type GRH1NC3 GRK1NC3 GRG1NC3
order code GLH-NNNAS GLK-NNNAS GLG-NNNAS
transducer frequency MHz 0.3 0.5 0.2
medium pressure
1
min. extended bar metal pipe: 10 metal pipe:
10 (> DN 120)
5 (< DN 120)
metal pipe: 10
min. bar metal pipe: 15
plastic pipe: 1
metal pipe:
15 (> DN 120)
10 (< DN 120)
plastic pipe: 1
metal pipe: 15
plastic pipe: 1
outer pipe diameter
2
min. extended mm 120 60 190
min. recommended mm 140 80 220
max. recommended mm 600 300 900
max. extended mm 1000 500 1600
pipe wall thickness
min. mm 7 4 11
max. mm 15 9 23
material
housing PPSU with
stainless steel
cap304
(1.4301)
PPSU with
stainless steel
cap304
(1.4301)
PPSU with
stainless steel
cap304
(1.4301)
contact surface PPSU PPSU PPSU
degree of protection
according to EN 60529
IP 65 IP 65 IP 65
transducer cable
type 1699 1699 1699
length m 5 5 5
dimensions
length l mm 128.5 128.5 128.5
width b mm474747
height h mm 69.9 69.9 69.9
dimensional drawing
operating temperature
min. °C -40 -40 -40
max. °C +170 +170 +170
1
depending on application, typical value for natural gas, N
2
, compressed air
2
Lamb wave transducers:
typical values for natural gas, N
2
, O
2
, pipe diameters for other gases on request
pipe diameter min. recommended/max. recommended: in reflection mode and for a flow velocity
of 15 m/s
pipe diameter max. extended: in diagonal mode and for a flow velocity of 25 m/s